Pistons for a refrigerant compressor



FIG. 1 is a left side view of a piston for a refrigerant compressor, according to the design. The right side view is a mirror image of the left side view.

FIG. 2 is a front view of the piston for a refrigerant compressor, as shown in FIG. 1.

FIG. 3 is a top view of the piston for a refrigerant compressor, as shown in FIG. 1.

FIG. 4 is a bottom view of the piston for a refrigerant compressor, as shown in FIG. 1.

FIG. 5 is a rear view of the piston for a refrigerant compressor, as shown in FIG. 1.

FIG. 6 is a cross-sectional view of a refrigerant compressor taken along the line 6—6 of FIG. 1;

FIG. 7 is a cross-sectional view of the refrigerant compressor taken along the line 7—7 of FIG. 1;

FIG. 8 is a cross-sectional view of the refrigerant compressor taken along the line 8—8 of FIG. 1; and,

FIG. 9 is a rear perspective view of the piston for a refrigerant compressor of FIG. 1.

The broken line immediately next to the structure line represents the bounds of the design. All other broken line matter represents environment. None of the broken lines form any part of the claimed design. 

The ornamental design for a piston for a refrigerant compressor, as shown and described. 